Sanitary napkin



FIG. 1 is a plan view of a sanitary napkin, showing our new design;

FIG. 2 is a plan view thereof, opposite that shown in FIG. 1;

FIG. 3 is an edge view thereof;

FIG. 4 is an edge view thereof;

FIG. 5 is an edge view thereof, opposite that shown in FIG. 4; and,

FIG. 6 is an edge view thereof, opposite that shown in FIG. 3. 

The ornamental design for a sanitary napkin, as shown. 